EDA

Dataset statistics

Number of variables	25
Number of observations	21347
Missing cells	105
Missing cells (%)	< 0.1%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	5.9 MiB
Average record size in memory	288.6 B

Variable types

Categorical	3
Numeric	22

Alerts

`CO` is highly overall correlated with `SO2` and 17 other fields	High correlation
`O3` is highly overall correlated with `O3_8hr_max` and 1 other fields	High correlation
`SO2` is highly overall correlated with `CO` and 17 other fields	High correlation
`PM25` is highly overall correlated with `CO` and 17 other fields	High correlation
`PM10` is highly overall correlated with `CO` and 17 other fields	High correlation
`NH3` is highly overall correlated with `CO` and 17 other fields	High correlation
`NOx` is highly overall correlated with `CO` and 17 other fields	High correlation
`PM10_24hr_avg` is highly overall correlated with `CO` and 18 other fields	High correlation
`PM25_24hr_avg` is highly overall correlated with `CO` and 18 other fields	High correlation
`SO2_24hr_avg` is highly overall correlated with `CO` and 17 other fields	High correlation
`NOx_24hr_avg` is highly overall correlated with `CO` and 17 other fields	High correlation
`NH3_24hr_avg` is highly overall correlated with `CO` and 17 other fields	High correlation
`CO_8hr_max` is highly overall correlated with `CO` and 17 other fields	High correlation
`O3_8hr_max` is highly overall correlated with `O3` and 2 other fields	High correlation
`PM25_SubIndex` is highly overall correlated with `CO` and 19 other fields	High correlation
`PM10_SubIndex` is highly overall correlated with `CO` and 19 other fields	High correlation
`SO2_SubIndex` is highly overall correlated with `CO` and 17 other fields	High correlation
`NOx_SubIndex` is highly overall correlated with `CO` and 17 other fields	High correlation
`NH3_SubIndex` is highly overall correlated with `CO` and 17 other fields	High correlation
`CO_SubIndex` is highly overall correlated with `CO` and 17 other fields	High correlation
`O3_SubIndex` is highly overall correlated with `O3` and 2 other fields	High correlation
`AQI_calculated` is highly overall correlated with `CO` and 20 other fields	High correlation
`AQIclass` is highly overall correlated with `PM25_SubIndex` and 1 other fields	High correlation
`AQI_bucket_calculated` is highly overall correlated with `PM10_24hr_avg` and 4 other fields	High correlation
`Checks` is highly imbalanced (96.2%)	Imbalance
`O3` has 749 (3.5%) zeros	Zeros

Reproduction

Analysis started	2023-06-20 05:16:49.597997
Analysis finished	2023-06-20 05:19:28.538926
Duration	2 minutes and 38.94 seconds
Software version	pandas-profiling v3.6.6
Download configuration	config.json

AQIclass
Categorical

Distinct	5
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	1.3 MiB

5	10036
1	4742
4	3223
2	1834
3	1512

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	21347
Distinct characters	5
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	5
2nd row	5
3rd row	5
4th row	5
5th row	5

Common Values

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

Most occurring characters

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	21347	100.0%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

Most occurring scripts

Value	Count	Frequency (%)
Common	21347	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	21347	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
5	10036	47.0%
1	4742	22.2%
4	3223	15.1%
2	1834	8.6%
3	1512	7.1%

CO
Real number (ℝ)

Distinct	369
Distinct (%)	1.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.78027616

Minimum	0.18024
Maximum	5.92804
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.18024
5-th percentile	0.21362
Q1	0.28038
median	0.50736
Q3	1.00136
95-th percentile	2.34985
Maximum	5.92804
Range	5.7478
Interquartile range (IQR)	0.72098

Descriptive statistics

Standard deviation	0.71358049
Coefficient of variation (CV)	0.91452299
Kurtosis	4.7741686
Mean	0.78027616
Median Absolute Deviation (MAD)	0.26036
Skewness	2.030239
Sum	16656.555
Variance	0.50919712
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.23365	267	1.3%
0.24033	267	1.3%
0.23699	266	1.2%
0.247	259	1.2%
0.2203	252	1.2%
0.22697	251	1.2%
0.24366	251	1.2%
0.21696	244	1.1%
0.23031	244	1.1%
0.25034	225	1.1%
Other values (359)	18821	88.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.18024	2	< 0.1%
0.18191	9	< 0.1%
0.18358	7	< 0.1%
0.18525	10	< 0.1%
0.18692	15	0.1%
0.18859	14	0.1%
0.19026	12	0.1%
0.19193	18	0.1%
0.1936	26	0.1%
0.19526	12	0.1%

Value	Count	Frequency (%)
5.92804	1	< 0.1%
5.82123	1	< 0.1%
5.6076	2	< 0.1%
5.50079	1	< 0.1%
5.44739	1	< 0.1%
5.39398	1	< 0.1%
5.28717	1	< 0.1%
5.07355	2	< 0.1%
5.02014	2	< 0.1%
4.91333	2	< 0.1%

O3
Real number (ℝ)

HIGH CORRELATION ZEROS

Distinct	696
Distinct (%)	3.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	52.371319

Minimum	0
Maximum	360.49
Zeros	749
Zeros (%)	3.5%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	0.03
Q1	13.95
median	30.76
Q3	77.96
95-th percentile	164.081
Maximum	360.49
Range	360.49
Interquartile range (IQR)	64.01

Descriptive statistics

Standard deviation	54.348564
Coefficient of variation (CV)	1.0377544
Kurtosis	1.1326758
Mean	52.371319
Median Absolute Deviation (MAD)	24.41
Skewness	1.3222051
Sum	1117970.6
Variance	2953.7664
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	749	3.5%
0.01	216	1.0%
24.68	143	0.7%
25.03	138	0.6%
26.11	136	0.6%
25.39	134	0.6%
23.25	129	0.6%
26.46	119	0.6%
25.75	118	0.6%
23.6	115	0.5%
Other values (686)	19350	90.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	749	3.5%
0.01	216	1.0%
0.02	101	0.5%
0.03	73	0.3%
0.04	67	0.3%
0.05	53	0.2%
0.06	46	0.2%
0.07	33	0.2%
0.08	33	0.2%
0.09	27	0.1%

Value	Count	Frequency (%)
360.49	1	< 0.1%
357.63	1	< 0.1%
340.46	1	< 0.1%
317.57	1	< 0.1%
311.85	2	< 0.1%
308.99	1	< 0.1%
306.13	2	< 0.1%
300.41	2	< 0.1%
294.69	1	< 0.1%
291.82	1	< 0.1%

SO2
Real number (ℝ)

Distinct	488
Distinct (%)	2.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15.63164

Minimum	0.98
Maximum	146.87
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.98
5-th percentile	2.77
Q1	6.26
median	11.68
Q3	20.27
95-th percentile	42.44
Maximum	146.87
Range	145.89
Interquartile range (IQR)	14.01

Descriptive statistics

Standard deviation	13.58037
Coefficient of variation (CV)	0.86877448
Kurtosis	7.2089664
Mean	15.63164
Median Absolute Deviation (MAD)	6.38
Skewness	2.1821186
Sum	333688.62
Variance	184.42645
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
15.97	150	0.7%
16.45	149	0.7%
15.5	148	0.7%
16.69	148	0.7%
7.75	138	0.6%
17.64	137	0.6%
9.18	134	0.6%
7.99	132	0.6%
8.11	132	0.6%
16.93	131	0.6%
Other values (478)	19948	93.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.98	1	< 0.1%
1.03	1	< 0.1%
1.04	3	< 0.1%
1.06	1	< 0.1%
1.07	2	< 0.1%
1.1	1	< 0.1%
1.13	2	< 0.1%
1.16	1	< 0.1%
1.18	2	< 0.1%
1.19	2	< 0.1%

Value	Count	Frequency (%)
146.87	1	< 0.1%
135.42	1	< 0.1%
127.79	1	< 0.1%
125.89	1	< 0.1%
123.98	2	< 0.1%
117.3	1	< 0.1%
113.49	1	< 0.1%
108.72	1	< 0.1%
106.81	1	< 0.1%
105.86	2	< 0.1%

PM25
Real number (ℝ)

Distinct	11391
Distinct (%)	53.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	68.072552

Minimum	0.95
Maximum	670.22
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.95
5-th percentile	4.33
Q1	11.135
median	49.51
Q3	97.56
95-th percentile	205.089
Maximum	670.22
Range	669.27
Interquartile range (IQR)	86.425

Descriptive statistics

Standard deviation	70.411765
Coefficient of variation (CV)	1.0343635
Kurtosis	5.8802648
Mean	68.072552
Median Absolute Deviation (MAD)	40.25
Skewness	1.9530615
Sum	1453144.8
Variance	4957.8166
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
4.95	19	0.1%
4.88	17	0.1%
6.03	17	0.1%
6.15	16	0.1%
5.22	16	0.1%
5.25	16	0.1%
5.7	15	0.1%
6.78	15	0.1%
5.42	15	0.1%
5.32	14	0.1%
Other values (11381)	21187	99.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.95	1	< 0.1%
1.03	1	< 0.1%
1.11	1	< 0.1%
1.27	1	< 0.1%
1.28	1	< 0.1%
1.33	1	< 0.1%
1.36	1	< 0.1%
1.37	1	< 0.1%
1.38	1	< 0.1%
1.39	1	< 0.1%

Value	Count	Frequency (%)
670.22	1	< 0.1%
601.3	1	< 0.1%
596.72	1	< 0.1%
596.19	1	< 0.1%
581.06	1	< 0.1%
578.25	1	< 0.1%
578.23	1	< 0.1%
562.33	1	< 0.1%
558.48	1	< 0.1%
556.8	1	< 0.1%

PM10
Real number (ℝ)

Distinct	12668
Distinct (%)	59.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	87.65899

Minimum	1.59
Maximum	727.74
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	1.59
5-th percentile	5.72
Q1	16.625
median	68.35
Q3	125.27
95-th percentile	252.787
Maximum	727.74
Range	726.15
Interquartile range (IQR)	108.645

Descriptive statistics

Standard deviation	84.302597
Coefficient of variation (CV)	0.9617108
Kurtosis	4.0216402
Mean	87.65899
Median Absolute Deviation (MAD)	53.5
Skewness	1.6510235
Sum	1871256.5
Variance	7106.9279
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
8.28	14	0.1%
6.5	14	0.1%
8.11	14	0.1%
6.65	13	0.1%
7.28	13	0.1%
6.9	13	0.1%
7.38	13	0.1%
5.73	12	0.1%
7.66	12	0.1%
6.96	12	0.1%
Other values (12658)	21217	99.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.59	1	< 0.1%
1.74	1	< 0.1%
1.79	1	< 0.1%
1.82	1	< 0.1%
1.84	1	< 0.1%
1.85	1	< 0.1%
1.86	1	< 0.1%
1.87	1	< 0.1%
1.9	1	< 0.1%
1.96	1	< 0.1%

Value	Count	Frequency (%)
727.74	1	< 0.1%
675.25	1	< 0.1%
647.98	1	< 0.1%
644.28	1	< 0.1%
642.57	1	< 0.1%
642.21	1	< 0.1%
635.88	1	< 0.1%
633.06	1	< 0.1%
608.44	1	< 0.1%
607.56	1	< 0.1%

NH3
Real number (ℝ)

Distinct	571
Distinct (%)	2.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	11.469802

Minimum	0
Maximum	170.23
Zeros	19
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	0.88
Q1	1.81
median	4.75
Q3	14.44
95-th percentile	44.58
Maximum	170.23
Range	170.23
Interquartile range (IQR)	12.63

Descriptive statistics

Standard deviation	16.875436
Coefficient of variation (CV)	1.4712926
Kurtosis	12.9635
Mean	11.469802
Median Absolute Deviation (MAD)	3.55
Skewness	3.1585897
Sum	244845.87
Variance	284.78033
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2.28	101	0.5%
2.09	99	0.5%
2.15	97	0.5%
1.11	96	0.4%
1.12	95	0.4%
2.06	94	0.4%
2.22	93	0.4%
2.31	92	0.4%
1.01	89	0.4%
2.41	89	0.4%
Other values (561)	20402	95.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	19	0.1%
0.01	1	< 0.1%
0.02	2	< 0.1%
0.03	1	< 0.1%
0.04	2	< 0.1%
0.05	3	< 0.1%
0.06	1	< 0.1%
0.07	5	< 0.1%
0.1	2	< 0.1%
0.11	2	< 0.1%

Value	Count	Frequency (%)
170.23	1	< 0.1%
166.18	1	< 0.1%
162.12	1	< 0.1%
160.1	1	< 0.1%
158.07	1	< 0.1%
145.91	3	< 0.1%
141.86	1	< 0.1%
139.83	3	< 0.1%
135.78	6	< 0.1%
133.75	3	< 0.1%

NOx
Real number (ℝ)

Distinct	7948
Distinct (%)	37.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	26.816367

Minimum	0.91
Maximum	272.93
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.91
5-th percentile	2.82
Q1	6.24
median	14.27
Q3	34.695
95-th percentile	96.227
Maximum	272.93
Range	272.02
Interquartile range (IQR)	28.455

Descriptive statistics

Standard deviation	31.755658
Coefficient of variation (CV)	1.1841894
Kurtosis	6.9682673
Mean	26.816367
Median Absolute Deviation (MAD)	9.8
Skewness	2.363714
Sum	572448.99
Variance	1008.4218
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
22.28	42	0.2%
13.54	36	0.2%
13.02	36	0.2%
22.96	35	0.2%
12	35	0.2%
16.28	33	0.2%
10.97	33	0.2%
15.08	33	0.2%
12.17	32	0.1%
16.45	31	0.1%
Other values (7938)	21001	98.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.91	2	< 0.1%
0.93	1	< 0.1%
0.95	2	< 0.1%
0.95	1	< 0.1%
0.96	1	< 0.1%
0.98	1	< 0.1%
0.99	2	< 0.1%
1	1	< 0.1%
1.01	1	< 0.1%
1.04	1	< 0.1%

Value	Count	Frequency (%)
272.93	1	< 0.1%
270.48	1	< 0.1%
269.52	1	< 0.1%
256.06	1	< 0.1%
254.95	1	< 0.1%
252.79	1	< 0.1%
247.18	1	< 0.1%
247.15	1	< 0.1%
245.33	1	< 0.1%
242.11	1	< 0.1%

PM10_24hr_avg
Real number (ℝ)

Distinct	20792
Distinct (%)	97.5%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	87.697166

Minimum	2.7841667
Maximum	379.49958
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	2.7841667
5-th percentile	6.3873125
Q1	18.559687
median	82.486667
Q3	127.74458
95-th percentile	217.8349
Maximum	379.49958
Range	376.71542
Interquartile range (IQR)	109.1849

Descriptive statistics

Standard deviation	70.733756
Coefficient of variation (CV)	0.80656833
Kurtosis	0.80838033
Mean	87.697166
Median Absolute Deviation (MAD)	53.56
Skewness	0.91162982
Sum	1870755.9
Variance	5003.2642
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
7.789166667	3	< 0.1%
9.314583333	3	< 0.1%
11.00291667	3	< 0.1%
10.25583333	3	< 0.1%
6.694583333	3	< 0.1%
85.85833333	3	< 0.1%
7.44625	3	< 0.1%
6.855833333	3	< 0.1%
7.470416667	3	< 0.1%
7.00625	3	< 0.1%
Other values (20782)	21302	99.8%
(Missing)	15	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2.784166667	1	< 0.1%
2.793333333	1	< 0.1%
2.795416667	1	< 0.1%
2.820833333	1	< 0.1%
2.826666667	1	< 0.1%
2.85125	1	< 0.1%
2.860833333	1	< 0.1%
2.8625	1	< 0.1%
2.883333333	1	< 0.1%
2.890416667	1	< 0.1%

Value	Count	Frequency (%)
379.4995833	1	< 0.1%
378.7533333	1	< 0.1%
375.3783333	1	< 0.1%
375.275	1	< 0.1%
375.2341667	1	< 0.1%
373.2829167	1	< 0.1%
373.2275	1	< 0.1%
372.0641667	1	< 0.1%
371.9858333	1	< 0.1%
371.2391667	1	< 0.1%

PM25_24hr_avg
Real number (ℝ)

Distinct	20571
Distinct (%)	96.4%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	68.101566

Minimum	1.7875
Maximum	339.7475
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	1.7875
5-th percentile	4.8948125
Q1	12.303125
median	59.632083
Q3	100.97906
95-th percentile	183.09721
Maximum	339.7475
Range	337.96
Interquartile range (IQR)	88.675938

Descriptive statistics

Standard deviation	59.483897
Coefficient of variation (CV)	0.87345858
Kurtosis	1.5368593
Mean	68.101566
Median Absolute Deviation (MAD)	44.863333
Skewness	1.164851
Sum	1452742.6
Variance	3538.334
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
4.92875	5	< 0.1%
4.927083333	4	< 0.1%
5.169166667	3	< 0.1%
5.880416667	3	< 0.1%
5.359583333	3	< 0.1%
5.977916667	3	< 0.1%
4.919166667	3	< 0.1%
5.472916667	3	< 0.1%
5.8225	3	< 0.1%
8.216666667	3	< 0.1%
Other values (20561)	21299	99.8%
(Missing)	15	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.7875	1	< 0.1%
1.795416667	1	< 0.1%
1.7975	1	< 0.1%
1.817083333	1	< 0.1%
1.825416667	1	< 0.1%
1.844166667	1	< 0.1%
1.87375	1	< 0.1%
1.875833333	1	< 0.1%
1.87875	1	< 0.1%
1.88625	1	< 0.1%

Value	Count	Frequency (%)
339.7475	1	< 0.1%
339.1866667	1	< 0.1%
339.0966667	1	< 0.1%
338.195	1	< 0.1%
337.11875	1	< 0.1%
336.61375	1	< 0.1%
335.9529167	1	< 0.1%
334.2675	1	< 0.1%
334.10625	1	< 0.1%
333.73125	1	< 0.1%

SO2_24hr_avg
Real number (ℝ)

Distinct	18511
Distinct (%)	86.8%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	15.638105

Minimum	1.45375
Maximum	56.693333
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	1.45375
5-th percentile	3.2205
Q1	7.0619792
median	14.8325
Q3	21.014792
95-th percentile	34.326583
Maximum	56.693333
Range	55.239583
Interquartile range (IQR)	13.952813

Descriptive statistics

Standard deviation	9.7909269
Coefficient of variation (CV)	0.62609419
Kurtosis	0.61475844
Mean	15.638105
Median Absolute Deviation (MAD)	7.1239583
Skewness	0.85008109
Sum	333592.06
Variance	95.862249
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
15.66666667	7	< 0.1%
16.99208333	5	< 0.1%
20.06708333	5	< 0.1%
3.628333333	4	< 0.1%
14.26041667	4	< 0.1%
17.3	4	< 0.1%
16.79375	4	< 0.1%
5.172916667	4	< 0.1%
19.585	4	< 0.1%
16.8875	4	< 0.1%
Other values (18501)	21287	99.7%
(Missing)	15	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.45375	2	< 0.1%
1.455	1	< 0.1%
1.455833333	1	< 0.1%
1.4575	1	< 0.1%
1.45875	1	< 0.1%
1.46	1	< 0.1%
1.46375	1	< 0.1%
1.465833333	1	< 0.1%
1.469166667	1	< 0.1%
1.473333333	1	< 0.1%

Value	Count	Frequency (%)
56.69333333	1	< 0.1%
56.21666667	1	< 0.1%
56.19666667	1	< 0.1%
55.38208333	1	< 0.1%
54.86541667	1	< 0.1%
54.38875	1	< 0.1%
53.89208333	1	< 0.1%
53.68291667	1	< 0.1%
53.64375	1	< 0.1%
53.29541667	1	< 0.1%

NOx_24hr_avg
Real number (ℝ)

Distinct	20036
Distinct (%)	93.9%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	26.827955

Minimum	1.85625
Maximum	125.06625
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	1.85625
5-th percentile	4.0506875
Q1	8.7576042
median	21.359583
Q3	38.719167
95-th percentile	71.228292
Maximum	125.06625
Range	123.21
Interquartile range (IQR)	29.961562

Descriptive statistics

Standard deviation	21.543442
Coefficient of variation (CV)	0.80302213
Kurtosis	1.406553
Mean	26.827955
Median Absolute Deviation (MAD)	13.571875
Skewness	1.2354414
Sum	572293.94
Variance	464.11989
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
28.93625	4	< 0.1%
9.610833333	4	< 0.1%
4.03375	4	< 0.1%
18.08208333	4	< 0.1%
5.323333333	4	< 0.1%
6.272916667	3	< 0.1%
6.51625	3	< 0.1%
3.672916667	3	< 0.1%
3.561666667	3	< 0.1%
3.507916667	3	< 0.1%
Other values (20026)	21297	99.8%
(Missing)	15	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1.85625	1	< 0.1%
1.857083333	1	< 0.1%
1.859583333	1	< 0.1%
1.859583333	1	< 0.1%
1.869166667	1	< 0.1%
1.870416667	1	< 0.1%
1.8825	1	< 0.1%
1.892916667	1	< 0.1%
1.893333333	1	< 0.1%
1.900416667	1	< 0.1%

Value	Count	Frequency (%)
125.06625	1	< 0.1%
124.9816667	1	< 0.1%
124.2641667	1	< 0.1%
124.2379167	1	< 0.1%
123.1408333	1	< 0.1%
122.8025	1	< 0.1%
122.1491667	1	< 0.1%
122.14125	1	< 0.1%
122.1208333	1	< 0.1%
122.0483333	1	< 0.1%

NH3_24hr_avg
Real number (ℝ)

Distinct	17455
Distinct (%)	81.8%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	11.475019

Minimum	0.6875
Maximum	69.420417
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.6875
5-th percentile	1.0698125
Q1	2.0002083
median	7.40375
Q3	17.067396
95-th percentile	35.515167
Maximum	69.420417
Range	68.732917
Interquartile range (IQR)	15.067187

Descriptive statistics

Standard deviation	11.651044
Coefficient of variation (CV)	1.0153398
Kurtosis	2.0370214
Mean	11.475019
Median Absolute Deviation (MAD)	5.8697917
Skewness	1.4503845
Sum	244785.11
Variance	135.74682
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
18.26875	26	0.1%
19.91125	25	0.1%
0.9516666667	8	< 0.1%
1.627916667	7	< 0.1%
0.9691666667	7	< 0.1%
1.61875	7	< 0.1%
1.650416667	7	< 0.1%
0.9383333333	7	< 0.1%
1.3825	7	< 0.1%
0.9670833333	7	< 0.1%
Other values (17445)	21224	99.4%
(Missing)	15	0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.6875	1	< 0.1%
0.6879166667	1	< 0.1%
0.6891666667	1	< 0.1%
0.6916666667	1	< 0.1%
0.6920833333	1	< 0.1%
0.6925	1	< 0.1%
0.6929166667	1	< 0.1%
0.69375	1	< 0.1%
0.695	1	< 0.1%
0.6958333333	1	< 0.1%

Value	Count	Frequency (%)
69.42041667	1	< 0.1%
69.29375	1	< 0.1%
68.99833333	1	< 0.1%
68.91375	1	< 0.1%
68.51291667	1	< 0.1%
68.48375	1	< 0.1%
68.42541667	1	< 0.1%
68.30166667	1	< 0.1%
68.175	1	< 0.1%
68.15375	1	< 0.1%

CO_8hr_max
Real number (ℝ)

Distinct	334
Distinct (%)	1.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	1.1676227

Minimum	0.19527
Maximum	5.92804
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0.19527
5-th percentile	0.24033
Q1	0.33712
median	0.80776
Q3	1.73569
95-th percentile	3.15094
Maximum	5.92804
Range	5.73277
Interquartile range (IQR)	1.39857

Descriptive statistics

Standard deviation	0.99477868
Coefficient of variation (CV)	0.8519693
Kurtosis	1.0617854
Mean	1.1676227
Median Absolute Deviation (MAD)	0.52738
Skewness	1.2291316
Sum	24925.242
Variance	0.98958463
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.26035	249	1.2%
0.28706	207	1.0%
0.25034	207	1.0%
0.28372	202	0.9%
0.24033	199	0.9%
0.25368	196	0.9%
0.27704	192	0.9%
0.25702	189	0.9%
0.247	188	0.9%
0.26369	187	0.9%
Other values (324)	19331	90.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.19527	1	< 0.1%
0.19693	9	< 0.1%
0.1986	3	< 0.1%
0.20027	1	< 0.1%
0.20194	3	< 0.1%
0.20361	4	< 0.1%
0.20528	6	< 0.1%
0.20695	7	< 0.1%
0.20862	19	0.1%
0.21029	33	0.2%

Value	Count	Frequency (%)
5.92804	8	< 0.1%
5.82123	8	< 0.1%
5.6076	9	< 0.1%
5.50079	8	< 0.1%
5.44739	1	< 0.1%
5.39398	1	< 0.1%
5.28717	1	< 0.1%
5.07355	16	0.1%
5.02014	2	< 0.1%
4.91333	2	< 0.1%

O3_8hr_max
Real number (ℝ)

Distinct	636
Distinct (%)	3.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	86.745381

Minimum	0
Maximum	360.49
Zeros	123
Zeros (%)	0.6%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	6.53
Q1	29.33
median	65.09
Q3	140.19
95-th percentile	211.72
Maximum	360.49
Range	360.49
Interquartile range (IQR)	110.86

Descriptive statistics

Standard deviation	67.953649
Coefficient of variation (CV)	0.78336908
Kurtosis	-0.25467589
Mean	86.745381
Median Absolute Deviation (MAD)	43.81
Skewness	0.75580395
Sum	1851753.6
Variance	4617.6984
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
147.34	182	0.9%
150.2	172	0.8%
164.51	155	0.7%
131.61	153	0.7%
185.97	145	0.7%
158.79	143	0.7%
135.9	139	0.7%
26.46	138	0.6%
26.11	137	0.6%
134.47	133	0.6%
Other values (626)	19850	93.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	123	0.6%
0.01	54	0.3%
0.02	34	0.2%
0.03	19	0.1%
0.04	22	0.1%
0.05	21	0.1%
0.06	10	< 0.1%
0.07	13	0.1%
0.08	2	< 0.1%
0.09	8	< 0.1%

Value	Count	Frequency (%)
360.49	8	< 0.1%
357.63	8	< 0.1%
340.46	8	< 0.1%
317.57	1	< 0.1%
311.85	16	0.1%
308.99	8	< 0.1%
306.13	16	0.1%
300.41	9	< 0.1%
294.69	8	< 0.1%
291.82	8	< 0.1%

PM25_SubIndex
Real number (ℝ)

Distinct	20546
Distinct (%)	96.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	136.80637

Minimum	0
Maximum	469.03654
Zeros	15
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	8.1364583
Q1	20.3625
median	99.193056
Q3	236.49986
95-th percentile	348.49353
Maximum	469.03654
Range	469.03654
Interquartile range (IQR)	216.13736

Descriptive statistics

Standard deviation	120.12457
Coefficient of variation (CV)	0.87806273
Kurtosis	-0.8800246
Mean	136.80637
Median Absolute Deviation (MAD)	85.931944
Skewness	0.63369448
Sum	2920405.6
Variance	14429.913
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	15	0.1%
8.214583333	5	< 0.1%
9.409027778	4	< 0.1%
8.211805556	4	< 0.1%
13.69444444	3	< 0.1%
9.452777778	3	< 0.1%
9.497222222	3	< 0.1%
15.38055556	3	< 0.1%
9.222916667	3	< 0.1%
8.999305556	3	< 0.1%
Other values (20536)	21301	99.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	15	0.1%
2.979166667	1	< 0.1%
2.992361111	1	< 0.1%
2.995833333	1	< 0.1%
3.028472222	1	< 0.1%
3.042361111	1	< 0.1%
3.073611111	1	< 0.1%
3.122916667	1	< 0.1%
3.126388889	1	< 0.1%
3.13125	1	< 0.1%

Value	Count	Frequency (%)
469.0365385	1	< 0.1%
468.6051282	1	< 0.1%
468.5358974	1	< 0.1%
467.8423077	1	< 0.1%
467.0144231	1	< 0.1%
466.6259615	1	< 0.1%
466.1176282	1	< 0.1%
464.8211538	1	< 0.1%
464.6971154	1	< 0.1%
464.4086538	1	< 0.1%

PM10_SubIndex
Real number (ℝ)

Distinct	20785
Distinct (%)	97.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	80.459325

Minimum	0
Maximum	336.87448
Zeros	15
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	6.3634583
Q1	18.414583
median	82.46625
Q3	118.47069
95-th percentile	178.52081
Maximum	336.87448
Range	336.87448
Interquartile range (IQR)	100.05611

Descriptive statistics

Standard deviation	59.668543
Coefficient of variation (CV)	0.74159885
Kurtosis	0.40192797
Mean	80.459325
Median Absolute Deviation (MAD)	45.959306
Skewness	0.63237703
Sum	1717565.2
Variance	3560.335
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	15	0.1%
6.63875	3	< 0.1%
6.855833333	3	< 0.1%
11.00291667	3	< 0.1%
85.85833333	3	< 0.1%
6.694583333	3	< 0.1%
47.24333333	3	< 0.1%
9.314583333	3	< 0.1%
6.518333333	3	< 0.1%
10.25583333	3	< 0.1%
Other values (20775)	21305	99.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	15	0.1%
2.784166667	1	< 0.1%
2.793333333	1	< 0.1%
2.795416667	1	< 0.1%
2.820833333	1	< 0.1%
2.826666667	1	< 0.1%
2.85125	1	< 0.1%
2.860833333	1	< 0.1%
2.8625	1	< 0.1%
2.883333333	1	< 0.1%

Value	Count	Frequency (%)
336.8744792	1	< 0.1%
335.9416667	1	< 0.1%
331.7229167	1	< 0.1%
331.59375	1	< 0.1%
331.5427083	1	< 0.1%
329.1036458	1	< 0.1%
329.034375	1	< 0.1%
327.5802083	1	< 0.1%
327.4822917	1	< 0.1%
326.5489583	1	< 0.1%

SO2_SubIndex
Real number (ℝ)

Distinct	18342
Distinct (%)	85.9%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	19.533896

Minimum	0
Maximum	70.866667
Zeros	15
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	4.0067188
Q1	8.8111979
median	18.527604
Q3	26.263542
95-th percentile	42.899323
Maximum	70.866667
Range	70.866667
Interquartile range (IQR)	17.452344

Descriptive statistics

Standard deviation	12.245319
Coefficient of variation (CV)	0.62687539
Kurtosis	0.6127296
Mean	19.533896
Median Absolute Deviation (MAD)	8.9140625
Skewness	0.84860494
Sum	416990.08
Variance	149.94783
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	15	0.1%
19.58333333	7	< 0.1%
25.08385417	5	< 0.1%
21.24010417	5	< 0.1%
17.82552083	4	< 0.1%
4.1671875	4	< 0.1%
39.01614583	4	< 0.1%
7.252604167	4	< 0.1%
6.209895833	4	< 0.1%
7.369270833	4	< 0.1%
Other values (18332)	21291	99.7%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	15	0.1%
1.8171875	2	< 0.1%
1.81875	1	< 0.1%
1.819791667	1	< 0.1%
1.821875	1	< 0.1%
1.8234375	1	< 0.1%
1.825	1	< 0.1%
1.8296875	1	< 0.1%
1.832291667	1	< 0.1%
1.836458333	1	< 0.1%

Value	Count	Frequency (%)
70.86666667	1	< 0.1%
70.27083333	1	< 0.1%
70.24583333	1	< 0.1%
69.22760417	1	< 0.1%
68.58177083	1	< 0.1%
67.9859375	1	< 0.1%
67.36510417	1	< 0.1%
67.10364583	1	< 0.1%
67.0546875	1	< 0.1%
66.61927083	1	< 0.1%

NOx_SubIndex
Real number (ℝ)

Distinct	19940
Distinct (%)	93.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	33.418089

Minimum	0
Maximum	145.06625
Zeros	15
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	5.0421875
Q1	10.934115
median	26.664583
Q3	48.39375
95-th percentile	89.000365
Maximum	145.06625
Range	145.06625
Interquartile range (IQR)	37.459635

Descriptive statistics

Standard deviation	26.616672
Coefficient of variation (CV)	0.79647497
Kurtosis	1.0391552
Mean	33.418089
Median Absolute Deviation (MAD)	16.954687
Skewness	1.1645975
Sum	713375.95
Variance	708.44721
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	15	0.1%
5.0421875	4	< 0.1%
22.60260417	4	< 0.1%
12.01354167	4	< 0.1%
6.654166667	4	< 0.1%
36.1703125	4	< 0.1%
4.736979167	4	< 0.1%
4.591145833	3	< 0.1%
5.00625	3	< 0.1%
3.861458333	3	< 0.1%
Other values (19930)	21299	99.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	15	0.1%
2.3203125	1	< 0.1%
2.321354167	1	< 0.1%
2.324479167	1	< 0.1%
2.324479167	1	< 0.1%
2.336458333	1	< 0.1%
2.338020833	1	< 0.1%
2.353125	1	< 0.1%
2.366145833	1	< 0.1%
2.366666667	1	< 0.1%

Value	Count	Frequency (%)
145.06625	1	< 0.1%
144.9816667	1	< 0.1%
144.2641667	1	< 0.1%
144.2379167	1	< 0.1%
143.1408333	1	< 0.1%
142.8025	1	< 0.1%
142.1491667	1	< 0.1%
142.14125	1	< 0.1%
142.1208333	1	< 0.1%
142.0483333	1	< 0.1%

NH3_SubIndex
Real number (ℝ)

Distinct	17356
Distinct (%)	81.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	2.866739

Minimum	0
Maximum	17.355104
Zeros	15
Zeros (%)	0.1%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	0.26544792
Q1	0.49921875
median	1.8482292
Q3	4.2647917
95-th percentile	8.8770417
Maximum	17.355104
Range	17.355104
Interquartile range (IQR)	3.7655729

Descriptive statistics

Standard deviation	2.9127296
Coefficient of variation (CV)	1.0160428
Kurtosis	2.0383733
Mean	2.866739
Median Absolute Deviation (MAD)	1.4657292
Skewness	1.450817
Sum	61196.278
Variance	8.4839935
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
4.5671875	26	0.1%
4.9778125	25	0.1%
0	15	0.1%
0.2379166667	8	< 0.1%
0.4046875	7	< 0.1%
0.4069791667	7	< 0.1%
0.2417708333	7	< 0.1%
0.2422916667	7	< 0.1%
0.345625	7	< 0.1%
0.2345833333	7	< 0.1%
Other values (17346)	21231	99.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	15	0.1%
0.171875	1	< 0.1%
0.1719791667	1	< 0.1%
0.1722916667	1	< 0.1%
0.1729166667	1	< 0.1%
0.1730208333	1	< 0.1%
0.173125	1	< 0.1%
0.1732291667	1	< 0.1%
0.1734375	1	< 0.1%
0.17375	1	< 0.1%

Value	Count	Frequency (%)
17.35510417	1	< 0.1%
17.3234375	1	< 0.1%
17.24958333	1	< 0.1%
17.2284375	1	< 0.1%
17.12822917	1	< 0.1%
17.1209375	1	< 0.1%
17.10635417	1	< 0.1%
17.07541667	1	< 0.1%
17.04375	1	< 0.1%
17.0384375	1	< 0.1%

CO_SubIndex
Real number (ℝ)

Distinct	334
Distinct (%)	1.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	52.155535

Minimum	9.7635
Maximum	149.1005
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	9.7635
5-th percentile	12.0165
Q1	16.856
median	40.388
Q3	86.7845
95-th percentile	114.38675
Maximum	149.1005
Range	139.337
Interquartile range (IQR)	69.9285

Descriptive statistics

Standard deviation	37.233938
Coefficient of variation (CV)	0.71390195
Kurtosis	-1.1706199
Mean	52.155535
Median Absolute Deviation (MAD)	26.369
Skewness	0.53558275
Sum	1113364.2
Variance	1386.3661
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
13.0175	249	1.2%
14.353	207	1.0%
12.517	207	1.0%
14.186	202	0.9%
12.0165	199	0.9%
12.684	196	0.9%
13.852	192	0.9%
12.851	189	0.9%
12.35	188	0.9%
13.1845	187	0.9%
Other values (324)	19331	90.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
9.7635	1	< 0.1%
9.8465	9	< 0.1%
9.93	3	< 0.1%
10.0135	1	< 0.1%
10.097	3	< 0.1%
10.1805	4	< 0.1%
10.264	6	< 0.1%
10.3475	7	< 0.1%
10.431	19	0.1%
10.5145	33	0.2%

Value	Count	Frequency (%)
149.1005	8	< 0.1%
147.765375	8	< 0.1%
145.095	9	< 0.1%
143.759875	8	< 0.1%
143.092375	1	< 0.1%
142.42475	1	< 0.1%
141.089625	1	< 0.1%
138.419375	16	0.1%
137.75175	2	< 0.1%
136.416625	2	< 0.1%

O3_SubIndex
Real number (ℝ)

Distinct	636
Distinct (%)	3.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	99.458959

Minimum	0
Maximum	328.29128
Zeros	123
Zeros (%)	0.6%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	0
5-th percentile	6.53
Q1	29.33
median	65.09
Q3	159.10294
95-th percentile	300.69017
Maximum	328.29128
Range	328.29128
Interquartile range (IQR)	129.77294

Descriptive statistics

Standard deviation	87.435687
Coefficient of variation (CV)	0.87911324
Kurtosis	-0.16820861
Mean	99.458959
Median Absolute Deviation (MAD)	44.35
Skewness	0.95129135
Sum	2123150.4
Variance	7644.9994
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
169.6176471	182	0.9%
173.8235294	172	0.8%
194.8676471	155	0.7%
146.4852941	153	0.7%
244.925	145	0.7%
186.4558824	143	0.7%
152.7941176	139	0.7%
26.46	138	0.6%
26.11	137	0.6%
150.6911765	133	0.6%
Other values (626)	19850	93.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	123	0.6%
0.01	54	0.3%
0.02	34	0.2%
0.03	19	0.1%
0.04	22	0.1%
0.05	21	0.1%
0.06	10	< 0.1%
0.07	13	0.1%
0.08	2	< 0.1%
0.09	8	< 0.1%

Value	Count	Frequency (%)
328.2912801	8	< 0.1%
327.7606679	8	< 0.1%
324.5751391	8	< 0.1%
320.3283859	1	< 0.1%
319.2671614	16	0.1%
318.7365492	8	< 0.1%
318.2059369	16	0.1%
317.1447124	9	< 0.1%
316.0834879	8	< 0.1%
315.5510204	8	< 0.1%

Checks
Categorical

Distinct	3
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	1.3 MiB

7	21209
6	123
2	15

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	21347
Distinct characters	3
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	2
2nd row	2
3rd row	2
4th row	2
5th row	2

Common Values

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

Most occurring characters

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	21347	100.0%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

Most occurring scripts

Value	Count	Frequency (%)
Common	21347	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	21347	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
7	21209	99.4%
6	123	0.6%
2	15	0.1%

AQI_calculated
Real number (ℝ)

Distinct	453
Distinct (%)	2.1%
Missing	15
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	163.59366

Minimum	14
Maximum	469
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	333.5 KiB

Quantile statistics

Minimum	14
5-th percentile	23
Q1	45
median	149
Q3	268
95-th percentile	348.45
Maximum	469
Range	455
Interquartile range (IQR)	223

Descriptive statistics

Standard deviation	115.67952
Coefficient of variation (CV)	0.70711494
Kurtosis	-1.1677657
Mean	163.59366
Median Absolute Deviation (MAD)	108
Skewness	0.34799406
Sum	3489780
Variance	13381.752
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
26	326	1.5%
25	321	1.5%
28	272	1.3%
33	271	1.3%
34	252	1.2%
29	251	1.2%
23	251	1.2%
24	233	1.1%
35	219	1.0%
21	212	1.0%
Other values (443)	18724	87.7%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
14	12	0.1%
15	14	0.1%
16	65	0.3%
17	84	0.4%
18	82	0.4%
19	128	0.6%
20	139	0.7%
21	212	1.0%
22	197	0.9%
23	251	1.2%

Value	Count	Frequency (%)
469	3	< 0.1%
468	1	< 0.1%
467	2	< 0.1%
466	1	< 0.1%
465	2	< 0.1%
464	2	< 0.1%
463	1	< 0.1%
462	4	< 0.1%
460	3	< 0.1%
458	3	< 0.1%

AQI_bucket_calculated
Categorical

Distinct	6
Distinct (%)	< 0.1%
Missing	15
Missing (%)	0.1%
Memory size	1.5 MiB

Good	5672
Moderate	5033
Very Poor	4029
Poor	3674
Satisfactory	2653

Length

Max length	12
Median length	9
Mean length	6.9084474
Min length	4

Characters and Unicode

Total characters	147371
Distinct characters	18
Distinct categories	3 ?
Distinct scripts	2 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Poor
2nd row	Poor
3rd row	Poor
4th row	Poor
5th row	Poor

Common Values

Value	Count	Frequency (%)
Good	5672	26.6%
Moderate	5033	23.6%
Very Poor	4029	18.9%
Poor	3674	17.2%
Satisfactory	2653	12.4%
Severe	271	1.3%
(Missing)	15	0.1%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
poor	7703	30.4%
good	5672	22.4%
moderate	5033	19.8%
very	4029	15.9%
satisfactory	2653	10.5%
severe	271	1.1%

Most occurring characters

Value	Count	Frequency (%)
o	34436	23.4%
r	19689	13.4%
e	14908	10.1%
d	10705	7.3%
a	10339	7.0%
t	10339	7.0%
P	7703	5.2%
y	6682	4.5%
G	5672	3.8%
M	5033	3.4%
Other values (8)	21865	14.8%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	117981	80.1%
Uppercase Letter	25361	17.2%
Space Separator	4029	2.7%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
o	34436	29.2%
r	19689	16.7%
e	14908	12.6%
d	10705	9.1%
a	10339	8.8%
t	10339	8.8%
y	6682	5.7%
i	2653	2.2%
s	2653	2.2%
f	2653	2.2%
Other values (2)	2924	2.5%

Uppercase Letter

Value	Count	Frequency (%)
P	7703	30.4%
G	5672	22.4%
M	5033	19.8%
V	4029	15.9%
S	2924	11.5%

Space Separator

Value	Count	Frequency (%)
	4029	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	143342	97.3%
Common	4029	2.7%

Most frequent character per script

Latin

Value	Count	Frequency (%)
o	34436	24.0%
r	19689	13.7%
e	14908	10.4%
d	10705	7.5%
a	10339	7.2%
t	10339	7.2%
P	7703	5.4%
y	6682	4.7%
G	5672	4.0%
M	5033	3.5%
Other values (7)	17836	12.4%

Common

Value	Count	Frequency (%)
	4029	100.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	147371	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
o	34436	23.4%
r	19689	13.4%
e	14908	10.1%
d	10705	7.3%
a	10339	7.0%
t	10339	7.0%
P	7703	5.2%
y	6682	4.5%
G	5672	3.8%
M	5033	3.4%
Other values (8)	21865	14.8%

Auto

Heatmap
Table

	CO	O3	SO2	PM25	PM10	NH3	NOx	PM10_24hr_avg	PM25_24hr_avg	SO2_24hr_avg	NOx_24hr_avg	NH3_24hr_avg	CO_8hr_max	O3_8hr_max	PM25_SubIndex	PM10_SubIndex	SO2_SubIndex	NOx_SubIndex	NH3_SubIndex	CO_SubIndex	O3_SubIndex	AQI_calculated	AQIclass	Checks	AQI_bucket_calculated
CO	1.000	-0.269	0.829	0.895	0.857	0.918	0.917	0.737	0.789	0.767	0.840	0.817	0.846	0.156	0.787	0.736	0.765	0.838	0.815	0.846	0.156	0.698	0.331	0.120	0.245
O3	-0.269	1.000	0.040	-0.062	-0.071	-0.262	-0.464	0.130	0.098	0.096	-0.062	0.055	-0.018	0.671	0.098	0.130	0.096	-0.062	0.055	-0.018	0.671	0.226	0.248	0.046	0.262
SO2	0.829	0.040	1.000	0.804	0.777	0.763	0.772	0.692	0.713	0.790	0.745	0.747	0.744	0.365	0.712	0.690	0.788	0.743	0.745	0.744	0.365	0.697	0.303	0.014	0.266
PM25	0.895	-0.062	0.804	1.000	0.980	0.829	0.759	0.879	0.894	0.798	0.805	0.826	0.809	0.314	0.892	0.877	0.796	0.803	0.824	0.809	0.314	0.834	0.405	0.080	0.370
PM10	0.857	-0.071	0.777	0.980	1.000	0.811	0.742	0.878	0.859	0.770	0.747	0.781	0.750	0.328	0.857	0.876	0.768	0.745	0.779	0.750	0.328	0.821	0.433	0.080	0.386
NH3	0.918	-0.262	0.763	0.829	0.811	1.000	0.860	0.719	0.755	0.747	0.788	0.837	0.782	0.162	0.753	0.717	0.745	0.786	0.835	0.782	0.162	0.660	0.247	0.060	0.194
NOx	0.917	-0.464	0.772	0.759	0.742	0.860	1.000	0.568	0.608	0.627	0.704	0.646	0.665	-0.006	0.606	0.566	0.625	0.702	0.645	0.665	-0.006	0.509	0.292	0.094	0.218
PM10_24hr_avg	0.737	0.130	0.692	0.879	0.878	0.719	0.568	1.000	0.977	0.855	0.831	0.862	0.795	0.440	0.977	1.000	0.855	0.831	0.862	0.795	0.440	0.927	0.499	0.091	0.710
PM25_24hr_avg	0.789	0.098	0.713	0.894	0.859	0.755	0.608	0.977	1.000	0.872	0.879	0.895	0.845	0.405	1.000	0.977	0.872	0.879	0.895	0.845	0.405	0.923	0.470	0.098	0.697
SO2_24hr_avg	0.767	0.096	0.790	0.798	0.770	0.747	0.627	0.855	0.872	1.000	0.895	0.902	0.832	0.414	0.872	0.855	1.000	0.895	0.902	0.832	0.414	0.834	0.455	0.099	0.496
NOx_24hr_avg	0.840	-0.062	0.745	0.805	0.747	0.788	0.704	0.831	0.879	0.895	1.000	0.927	0.915	0.245	0.879	0.831	0.895	1.000	0.927	0.915	0.245	0.788	0.410	0.200	0.418
NH3_24hr_avg	0.817	0.055	0.747	0.826	0.781	0.837	0.646	0.862	0.895	0.902	0.927	1.000	0.891	0.366	0.895	0.862	0.902	0.927	1.000	0.891	0.366	0.825	0.366	0.108	0.409
CO_8hr_max	0.846	-0.018	0.744	0.809	0.750	0.782	0.665	0.795	0.845	0.832	0.915	0.891	1.000	0.258	0.843	0.793	0.830	0.913	0.889	1.000	0.258	0.760	0.357	0.138	0.355
O3_8hr_max	0.156	0.671	0.365	0.314	0.328	0.162	-0.006	0.440	0.405	0.414	0.245	0.366	0.258	1.000	0.405	0.439	0.414	0.245	0.366	0.258	1.000	0.567	0.296	0.078	0.420
PM25_SubIndex	0.787	0.098	0.712	0.892	0.857	0.753	0.606	0.977	1.000	0.872	0.879	0.895	0.843	0.405	1.000	0.978	0.872	0.879	0.896	0.843	0.405	0.923	0.501	0.073	0.738
PM10_SubIndex	0.736	0.130	0.690	0.877	0.876	0.717	0.566	1.000	0.977	0.855	0.831	0.862	0.793	0.439	0.978	1.000	0.856	0.831	0.862	0.793	0.439	0.927	0.517	0.068	0.722
SO2_SubIndex	0.765	0.096	0.788	0.796	0.768	0.745	0.625	0.855	0.872	1.000	0.895	0.902	0.830	0.414	0.872	0.856	1.000	0.895	0.903	0.830	0.414	0.834	0.445	0.078	0.493
NOx_SubIndex	0.838	-0.062	0.743	0.803	0.745	0.786	0.702	0.831	0.879	0.895	1.000	0.927	0.913	0.245	0.879	0.831	0.895	1.000	0.927	0.913	0.245	0.788	0.434	0.139	0.434
NH3_SubIndex	0.815	0.055	0.745	0.824	0.779	0.835	0.645	0.862	0.895	0.902	0.927	1.000	0.889	0.366	0.896	0.862	0.903	0.927	1.000	0.889	0.366	0.825	0.373	0.076	0.412
CO_SubIndex	0.846	-0.018	0.744	0.809	0.750	0.782	0.665	0.795	0.845	0.832	0.915	0.891	1.000	0.258	0.843	0.793	0.830	0.913	0.889	1.000	0.258	0.760	0.427	0.134	0.400
O3_SubIndex	0.156	0.671	0.365	0.314	0.328	0.162	-0.006	0.440	0.405	0.414	0.245	0.366	0.258	1.000	0.405	0.439	0.414	0.245	0.366	0.258	1.000	0.567	0.294	0.088	0.439
AQI_calculated	0.698	0.226	0.697	0.834	0.821	0.660	0.509	0.927	0.923	0.834	0.788	0.825	0.760	0.567	0.923	0.927	0.834	0.788	0.825	0.760	0.567	1.000	0.482	0.080	0.903
AQIclass	0.331	0.248	0.303	0.405	0.433	0.247	0.292	0.499	0.470	0.455	0.410	0.366	0.357	0.296	0.501	0.517	0.445	0.434	0.373	0.427	0.294	0.482	1.000	0.058	0.487
Checks	0.120	0.046	0.014	0.080	0.080	0.060	0.094	0.091	0.098	0.099	0.200	0.108	0.138	0.078	0.073	0.068	0.078	0.139	0.076	0.134	0.088	0.080	0.058	1.000	0.076
AQI_bucket_calculated	0.245	0.262	0.266	0.370	0.386	0.194	0.218	0.710	0.697	0.496	0.418	0.409	0.355	0.420	0.738	0.722	0.493	0.434	0.412	0.400	0.439	0.903	0.487	0.076	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	AQIclass	CO	O3	SO2	PM25	PM10	NH3	NOx	PM10_24hr_avg	PM25_24hr_avg	SO2_24hr_avg	NOx_24hr_avg	NH3_24hr_avg	CO_8hr_max	O3_8hr_max	PM25_SubIndex	PM10_SubIndex	SO2_SubIndex	NOx_SubIndex	NH3_SubIndex	CO_SubIndex	O3_SubIndex	Checks	AQI_calculated	AQI_bucket_calculated
Date
2021-01-01 00:00:00	5	0.93460	6.08	9.18	97.12	112.47	13.81	26.25	NaN	NaN	NaN	NaN	NaN	0.93460	6.08	0.0	0.0	0.0	0.0	0.0	46.730	6.080000	2	NaN	NaN
2021-01-01 01:00:00	5	1.09482	2.17	12.16	107.68	124.92	14.95	33.54	NaN	NaN	NaN	NaN	NaN	1.09482	6.08	0.0	0.0	0.0	0.0	0.0	54.741	6.080000	2	NaN	NaN
2021-01-01 02:00:00	5	1.52206	0.06	17.41	128.68	150.54	17.48	52.20	NaN	NaN	NaN	NaN	NaN	1.52206	6.08	0.0	0.0	0.0	0.0	0.0	76.103	6.080000	2	NaN	NaN
2021-01-01 03:00:00	5	1.81580	0.96	20.98	136.64	159.98	17.99	70.56	NaN	NaN	NaN	NaN	NaN	1.81580	6.08	0.0	0.0	0.0	0.0	0.0	90.790	6.080000	2	NaN	NaN
2021-01-01 04:00:00	5	1.34850	12.16	23.13	107.91	124.90	16.47	53.48	NaN	NaN	NaN	NaN	NaN	1.81580	12.16	0.0	0.0	0.0	0.0	0.0	90.790	12.160000	2	NaN	NaN
2021-01-01 05:00:00	5	0.98801	36.12	23.84	92.03	106.65	15.33	35.45	NaN	NaN	NaN	NaN	NaN	1.81580	36.12	0.0	0.0	0.0	0.0	0.0	90.790	36.120000	2	NaN	NaN
2021-01-01 06:00:00	5	0.75436	65.80	24.32	82.87	96.27	13.81	23.10	NaN	NaN	NaN	NaN	NaN	1.81580	65.80	0.0	0.0	0.0	0.0	0.0	90.790	65.800000	2	NaN	NaN
2021-01-01 07:00:00	5	0.46730	94.41	14.90	63.65	74.44	7.03	8.52	NaN	NaN	NaN	NaN	NaN	1.81580	94.41	0.0	0.0	0.0	0.0	0.0	90.790	94.410000	2	NaN	NaN
2021-01-01 08:00:00	5	0.42725	100.14	12.40	57.16	66.65	4.94	6.72	NaN	NaN	NaN	NaN	NaN	1.81580	100.14	0.0	0.0	0.0	0.0	0.0	90.790	100.205882	2	NaN	NaN
2021-01-01 09:00:00	5	0.42725	98.71	12.28	54.94	63.92	4.75	7.30	NaN	NaN	NaN	NaN	NaN	1.81580	100.14	0.0	0.0	0.0	0.0	0.0	90.790	100.205882	2	NaN	NaN

	AQIclass	CO	O3	SO2	PM25	PM10	NH3	NOx	PM10_24hr_avg	PM25_24hr_avg	SO2_24hr_avg	NOx_24hr_avg	NH3_24hr_avg	CO_8hr_max	O3_8hr_max	PM25_SubIndex	PM10_SubIndex	SO2_SubIndex	NOx_SubIndex	NH3_SubIndex	CO_SubIndex	O3_SubIndex	Checks	AQI_calculated	AQI_bucket_calculated
Date
2023-06-20 01:00:00	1	0.26369	20.74	4.17	6.18	10.24	1.93	5.07	10.928333	6.882917	3.932917	4.305417	1.381250	0.28038	22.17	11.471528	10.928333	4.916146	5.381771	0.345313	14.019	22.17	7	22.0	Good
2023-06-20 02:00:00	1	0.28706	19.49	4.59	7.02	12.81	2.28	6.94	10.918333	6.831250	3.947917	4.335833	1.392500	0.28706	22.17	11.385417	10.918333	4.934896	5.419792	0.348125	14.353	22.17	7	22.0	Good
2023-06-20 03:00:00	1	0.28038	21.99	4.35	6.73	13.75	2.09	6.54	11.019167	6.819167	3.970000	4.371250	1.401250	0.28706	22.17	11.365278	11.019167	4.962500	5.464062	0.350313	14.353	22.17	7	22.0	Good
2023-06-20 04:00:00	1	0.25034	29.33	3.07	4.28	9.29	1.31	3.62	11.125417	6.821250	3.992500	4.397500	1.406250	0.28706	29.33	11.368750	11.125417	4.990625	5.496875	0.351562	14.353	29.33	7	29.0	Good
2023-06-20 05:00:00	1	0.24033	34.33	2.74	3.67	7.44	1.17	2.57	11.201667	6.823333	4.013333	4.417917	1.409583	0.28706	34.33	11.372222	11.201667	5.016667	5.522396	0.352396	14.353	34.33	7	34.0	Good
2023-06-20 06:00:00	1	0.23365	38.98	2.44	4.13	7.14	1.06	1.99	11.255833	6.830833	4.027917	4.431667	1.411667	0.28706	38.98	11.384722	11.255833	5.034896	5.539583	0.352917	14.353	38.98	7	39.0	Good
2023-06-20 07:00:00	1	0.22697	44.35	2.03	4.66	6.94	0.95	1.63	11.315417	6.872083	4.031667	4.436250	1.413333	0.28706	44.35	11.453472	11.315417	5.039583	5.545312	0.353333	14.353	44.35	7	44.0	Good
2023-06-20 08:00:00	1	0.22364	46.49	1.97	5.61	7.78	0.93	1.64	11.407500	6.958750	4.027917	4.437083	1.415000	0.28706	46.49	11.597917	11.407500	5.034896	5.546354	0.353750	14.353	46.49	7	46.0	Good
2023-06-20 09:00:00	1	0.22364	47.21	2.06	5.35	8.16	0.90	1.74	11.486250	7.013750	4.017917	4.436250	1.417917	0.28706	47.21	11.689583	11.486250	5.022396	5.545312	0.354479	14.353	47.21	7	47.0	Good
2023-06-20 10:00:00	1	0.22697	46.49	1.97	4.89	8.88	0.87	1.76	11.552917	7.012917	3.999583	4.433750	1.422083	0.28038	47.21	11.688194	11.552917	4.999479	5.542187	0.355521	14.019	47.21	7	47.0	Good

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Uppercase Letter

Space Separator

Most occurring scripts

Most frequent character per script

Latin

Common

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample